/* * Olap_9.java * * Copyright 2004-2006 by SAP AG. All Rights Reserved. * SAP, R/3, mySAP, mySAP.com, xApps, xApp, SAP NetWeaver, and other SAP * products and services mentioned herein as well as their respective logos * are trademarks or registered trademarks of SAP AG in Germany and in several * other countries all over the world. All other product and service names * mentioned are the trademarks of their respective companies. Data contained * in this document serves informational purposes only. National product * specifications may vary. * * These materials are subject to change without notice. These materials are * provided by SAP AG and its affiliated companies ("SAP Group") for * informational purposes only, without representation or warranty of any kind, * and SAP Group shall not be liable for errors or omissions with respect to * the materials. The only warranties for SAP Group products and services are * those that are set forth in the express warranty statements accompanying * such products and services, if any. Nothing herein should be construed as * constituting an additional warranty. */ package com.sap.ip.bi.sdk.samples; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.sap.exception.IBaseException; import com.sap.ip.bi.sdk.dac.connector.IBIConnection; import com.sap.ip.bi.sdk.dac.connector.IBIOlap; import com.sap.ip.bi.sdk.dac.olap.query.IBIAllFactory; import com.sap.ip.bi.sdk.dac.olap.query.IBICommandProcessor; import com.sap.ip.bi.sdk.dac.olap.query.input.IBIDivision; import com.sap.ip.bi.sdk.dac.olap.query.main.IBIQuery; import com.sap.ip.bi.sdk.dac.olap.query.member.IBICalculatedMember; import com.sap.ip.bi.sdk.samples.servlet.MinimalServletContainer; /** * Calculated members - * * Creates a calculated measure - cost per item - by dividing the * total cost by the number of items sold. * * View the HTML rendered by this servlet in the following file: * [SDK archive]/docs/examples/olap_9.result.html * * @author SAP * @version 3.50 * @since 3.50 */ public class Olap_9 extends HttpServlet { private static final String CONTENT_TYPE = "text/html"; public void init(ServletConfig config) throws ServletException { super.init(config); } public void doGet( HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(CONTENT_TYPE); PrintWriter out = response.getWriter(); out.println(Helpers.getDocTypeDefinition()); out.println("<html>"); out.println("<head><title>Olap_9</title>"); out.println(Helpers.getStyleSheetDefinition()); out.println("</head><body>"); try { // ******************************************************** // Connect to data source // ******************************************************** IBIConnection connection = Helpers.connectToXMLADatasource(out); // ******************************************************** // Retrieve metadata. // ******************************************************** // Get OLAP interface IBIOlap olap = connection.getOlap(); Helpers.SampleMetaDataBW sampleMetaData = Helpers.getSampleMetaDataBW(connection); // ******************************************************** // Create query and command processor. // ******************************************************** IBIQuery query = olap.createQuery(sampleMetaData.cube); IBICommandProcessor commandProcessor = query.getCommandProcessor(); // move dimension to rows commandProcessor.moveDimensionToRows( sampleMetaData.salesOrgDimension); // measures commandProcessor.addMember( sampleMetaData.measuresCostMember); commandProcessor.addMember( sampleMetaData.measuresQuantityMember); Helpers.renderQueryAndDataset(out, query); // ******************************************************** // Create calculated measure: // cost per item = cost / quantity. // ******************************************************** IBIAllFactory factory = commandProcessor.getQueryFactory().getAllFactory(); IBIDivision costPerItem = factory.createDivision( factory.createMemberReference( sampleMetaData.measuresCostMember), factory.createMemberReference( sampleMetaData.measuresQuantityMember)); IBICalculatedMember calculatedMember = factory.createCalculatedMember( sampleMetaData.measuresDimension, costPerItem, 0); commandProcessor .getAxisDimension(sampleMetaData.measuresDimension) .getCalculatedMember() .add(calculatedMember); commandProcessor.addMember(calculatedMember); Helpers.renderQueryAndDataset(out, query); } // Catch errors. catch (Exception e) { // $JL-EXC$ e.printStackTrace(); if (e instanceof IBaseException) out.println("Error: " + ((IBaseException)e).getNestedLocalizedMessage()); else out.println("Error: " + e.getMessage()); } out.println("</body>"); out.println("</html>"); } public void destroy() { } public static void main(String[] args) { if (args.length == 1) { MinimalServletContainer.executeServlet(new Olap_9(), args[0]); } else { MinimalServletContainer.executeServlet(new Olap_9(), System.out); } } }